+ View the NASA Portal
+ Center for Near-Earth Object Studies
IMPORTANT:
The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.
Please visit
this page
for more details.
Don't show this message again
JPL Small-Body Database Browser
Search:
[
help
]
117089 (2004 LK31)
Classification:
Main-belt Asteroid
SPK-ID:
2117089
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference:
JPL 18
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2435546957605569
4.0106e-08
a
2.675641265970124
1.782e-08
au
q
2.023976271472379
1.0593e-07
au
i
12.72959506591407
6.2791e-06
deg
node
178.9052682940366
2.09e-05
deg
peri
87.33621623529538
2.4293e-05
deg
M
168.0809471812538
1.3303e-05
deg
t
p
2457854.126449185378
(2017-Apr-10.62644919)
5.6644e-05
TDB
period
1598.601642835291
4.38
1.597e-05
4.372e-08
d
yr
n
.2251968159881918
2.2498e-09
deg/d
Q
3.327306260467868
2.216e-08
au
Orbit Determination Parameters
# obs. used (total)
486
data-arc span
7230 days (19.79 yr)
first obs. used
1999-03-22
last obs. used
2019-01-06
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.60088
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 17:57:54
Additional Information
Earth MOID
= 1.05655 au
Jupiter MOID
= 1.94187 au
T_jup
= 3.302
[ show covariance matrix ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.6
n/a
MPO426739
117089 (2004 LK31)
Discovered 2004-Jun-12 by CSS at Catalina
Reference:
20051019/Numbers.arc
Last Updated:
2005-10-26
[ show close-approach data ]
Alternate Designations
2004 LK31
= 1999 GA28 = 2003 ER7
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-15 08:48 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin